Dr. Thomas Wälchli (IMAGE) University Health Network Caption Corresponding author Dr. Thomas Wälchli is a neuroscientist and scientific associate at UHN’s Krembil Brain Institute, and a consultant neurosurgeon at University College London (UCL)’s Victor Horsley Department of Neurosurgery, as well as an Associate Professor/Principal Clinical Research Fellow at the UCL Cancer Institute Credit Thomas Wälchli Usage Restrictions N/A License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.